IUArrayList

Tests passed/Failed/Skipped:0/24/870
Started on:Fri Nov 01 20:10:05 MDT 2019
Total time:1 seconds (1803 ms)
Included groups:
Excluded groups:

(Hover the method name to see the test class name)

FAILED CONFIGURATIONS
Test method Exception Time (seconds) Instance
initialize
Test class: Test_2_addToFrontA_A
Parameters: arrayList
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_3_addToRearA_A
Parameters: arrayList
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_4_addA_A
Parameters: arrayList
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
initialize
Test class: Test_5_add0A_A
Parameters: arrayList
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
initialize
Test class: Test_6_A_addToFrontB_BA
Parameters: arrayList
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_7_A_addToRearB_AB
Parameters: arrayList
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_8_A_addAfterBA_AB
Parameters: arrayList
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_9_A_addB_AB
Parameters: arrayList
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_11_A_add1B_AB
Parameters: arrayList
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_12_A_removeFirst_emptyList
Parameters: arrayList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_13_A_removeLast_emptyList
Parameters: arrayList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_14_A_removeA_emptyList
Parameters: arrayList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_15_A_remove0_emptyList
Parameters: arrayList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_16_A_set0B_B
Parameters: arrayList
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_17_AB_addToFrontC_CAB
Parameters: arrayList
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_22_AB_add0C_CAB
Parameters: arrayList
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_25_AB_removeFirst_B
Parameters: arrayList
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_26_AB_removeLast_A
Parameters: arrayList
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_27_AB_removeA_B
Parameters: arrayList
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_28_AB_removeB_A
Parameters: arrayList
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_29_AB_remove0_B
Parameters: arrayList
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_30_AB_remove1_A
Parameters: arrayList
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_39_ABC_remove1_AC
Parameters: arrayList
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a

SKIPPED CONFIGURATIONS
Test method Exception Time (seconds) Instance
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_2_addToFrontA_A
-1572660605 Test_2_addToFrontA_A@f2ff811
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_3_addToRearA_A
-1572660605 Test_3_addToRearA_A@568ff82
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_4_addA_A
-1572660605 Test_4_addA_A@50caa560
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_5_add0A_A
-1572660605 Test_5_add0A_A@2a266d09
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_6_A_addToFrontB_BA
-1572660605 Test_6_A_addToFrontB_BA@5ab9e72c
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_7_A_addToRearB_AB
-1572660605 Test_7_A_addToRearB_AB@186f8716
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_8_A_addAfterBA_AB
-1572660605 Test_8_A_addAfterBA_AB@1d8bd0de
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_9_A_addB_AB
-1572660605 Test_9_A_addB_AB@45ca843
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_11_A_add1B_AB
-1572660605 Test_11_A_add1B_AB@11c9af63
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_12_A_removeFirst_emptyList
-1572660605 Test_12_A_removeFirst_emptyList@757acd7b
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_13_A_removeLast_emptyList
-1572660605 Test_13_A_removeLast_emptyList@36b4fe2a
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660605 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660606 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660606 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660606 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_14_A_removeA_emptyList
-1572660606 Test_14_A_removeA_emptyList@574b560f
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_15_A_remove0_emptyList
-1572660606 Test_15_A_remove0_emptyList@ba54932
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_16_A_set0B_B
-1572660606 Test_16_A_set0B_B@28975c28
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_17_AB_addToFrontC_CAB
-1572660606 Test_17_AB_addToFrontC_CAB@3943a2be
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_22_AB_add0C_CAB
-1572660606 Test_22_AB_add0C_CAB@343570b7
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_25_AB_removeFirst_B
-1572660606 Test_25_AB_removeFirst_B@157853da
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_26_AB_removeLast_A
-1572660606 Test_26_AB_removeLast_A@71c3b41
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_27_AB_removeA_B
-1572660606 Test_27_AB_removeA_B@236e3f4e
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_28_AB_removeB_A
-1572660606 Test_28_AB_removeB_A@3cc1435c
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
initialize
Test class: Test_29_AB_remove0_B
-1572660606 Test_29_AB_remove0_B@6bf0219d
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Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_30_AB_remove1_A
-1572660606 Test_30_AB_remove1_A@dd0c991
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
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Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a
initialize
Test class: Test_39_ABC_remove1_AC
-1572660606 Test_39_ABC_remove1_AC@5f16132a

FAILED TESTS
Test method Exception Time (seconds) Instance
testAdd
Test class: Test_1_emptyList
java.lang.NullPointerException
	at TestCase.add(TestCase.java:204)
	at Test_1_emptyList.testAdd(Test_1_emptyList.java:260)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at TestCase.add(TestCase.java:204)
	at Test_1_emptyList.testAdd(Test_1_emptyList.java:260)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_1_emptyList@65b3f4a4
testAddAfter_invalidElement
Test class: Test_1_emptyList
org.testng.TestException: 
Expected exception of type class java.util.NoSuchElementException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.addAfter(TestCase.java:260)
	at Test_1_emptyList.testAddAfter_invalidElement(Test_1_emptyList.java:209)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
Click to show all stack frames
org.testng.TestException: 
Expected exception of type class java.util.NoSuchElementException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.addAfter(TestCase.java:260)
	at Test_1_emptyList.testAddAfter_invalidElement(Test_1_emptyList.java:209)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
0 Test_1_emptyList@65b3f4a4
testAddToFront
Test class: Test_1_emptyList
java.lang.NullPointerException
	at TestCase.addToFront(TestCase.java:239)
	at Test_1_emptyList.testAddToFront(Test_1_emptyList.java:189)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at TestCase.addToFront(TestCase.java:239)
	at Test_1_emptyList.testAddToFront(Test_1_emptyList.java:189)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_1_emptyList@65b3f4a4
testAddToRear
Test class: Test_1_emptyList
java.lang.NullPointerException
	at TestCase.addToRear(TestCase.java:249)
	at Test_1_emptyList.testAddToRear(Test_1_emptyList.java:199)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at TestCase.addToRear(TestCase.java:249)
	at Test_1_emptyList.testAddToRear(Test_1_emptyList.java:199)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_1_emptyList@65b3f4a4
testAdd_invalidIndex
Test class: Test_1_emptyList
Parameters: -1
org.testng.TestException: 
Expected exception of type class java.lang.IndexOutOfBoundsException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.add(TestCase.java:171)
	at Test_1_emptyList.testAdd_invalidIndex(Test_1_emptyList.java:229)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
Click to show all stack frames
org.testng.TestException: 
Expected exception of type class java.lang.IndexOutOfBoundsException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.add(TestCase.java:171)
	at Test_1_emptyList.testAdd_invalidIndex(Test_1_emptyList.java:229)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
0 Test_1_emptyList@65b3f4a4
testAdd_invalidIndex
Test class: Test_1_emptyList
Parameters: 1
org.testng.TestException: 
Expected exception of type class java.lang.IndexOutOfBoundsException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.add(TestCase.java:171)
	at Test_1_emptyList.testAdd_invalidIndex(Test_1_emptyList.java:229)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
Click to show all stack frames
org.testng.TestException: 
Expected exception of type class java.lang.IndexOutOfBoundsException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.add(TestCase.java:171)
	at Test_1_emptyList.testAdd_invalidIndex(Test_1_emptyList.java:229)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
0 Test_1_emptyList@65b3f4a4
testAdd_validIndex
Test class: Test_1_emptyList
java.lang.NullPointerException
	at TestCase.add(TestCase.java:171)
	at Test_1_emptyList.testAdd_validIndex(Test_1_emptyList.java:219)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at TestCase.add(TestCase.java:171)
	at Test_1_emptyList.testAdd_validIndex(Test_1_emptyList.java:219)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_1_emptyList@65b3f4a4
testContains_invalidElement
Test class: Test_1_emptyList
java.lang.NullPointerException
	at TestCase.contains(TestCase.java:125)
	at Test_1_emptyList.testContains_invalidElement(Test_1_emptyList.java:110)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at TestCase.contains(TestCase.java:125)
	at Test_1_emptyList.testContains_invalidElement(Test_1_emptyList.java:110)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_1_emptyList@65b3f4a4
testFirst
Test class: Test_1_emptyList
org.testng.TestException: 
Expected exception of type class java.util.NoSuchElementException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.first(TestCase.java:102)
	at Test_1_emptyList.testFirst(Test_1_emptyList.java:90)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
Click to show all stack frames
org.testng.TestException: 
Expected exception of type class java.util.NoSuchElementException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.first(TestCase.java:102)
	at Test_1_emptyList.testFirst(Test_1_emptyList.java:90)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
0 Test_1_emptyList@65b3f4a4
testGet
Test class: Test_1_emptyList
org.testng.TestException: 
Expected exception of type class java.lang.IndexOutOfBoundsException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.get(TestCase.java:215)
	at Test_1_emptyList.testGet(Test_1_emptyList.java:271)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
Click to show all stack frames
org.testng.TestException: 
Expected exception of type class java.lang.IndexOutOfBoundsException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.get(TestCase.java:215)
	at Test_1_emptyList.testGet(Test_1_emptyList.java:271)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
0 Test_1_emptyList@65b3f4a4
testIndexOf_invalidElement
Test class: Test_1_emptyList
java.lang.NullPointerException
	at TestCase.indexOf(TestCase.java:227)
	at Test_1_emptyList.testIndexOf_invalidElement(Test_1_emptyList.java:281)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at TestCase.indexOf(TestCase.java:227)
	at Test_1_emptyList.testIndexOf_invalidElement(Test_1_emptyList.java:281)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_1_emptyList@65b3f4a4
testIsEmpty
Test class: Test_1_emptyList
java.lang.NullPointerException
	at TestCase.isEmpty(TestCase.java:136)
	at Test_1_emptyList.testIsEmpty(Test_1_emptyList.java:120)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at TestCase.isEmpty(TestCase.java:136)
	at Test_1_emptyList.testIsEmpty(Test_1_emptyList.java:120)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_1_emptyList@65b3f4a4
testIterator
Test class: Test_1_emptyList
java.lang.NullPointerException
	at TestCase.iterator(TestCase.java:270)
	at Test_1_emptyList.testIterator(Test_1_emptyList.java:149)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at TestCase.iterator(TestCase.java:270)
	at Test_1_emptyList.testIterator(Test_1_emptyList.java:149)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_1_emptyList@65b3f4a4
testLast
Test class: Test_1_emptyList
org.testng.TestException: 
Expected exception of type class java.util.NoSuchElementException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.last(TestCase.java:113)
	at Test_1_emptyList.testLast(Test_1_emptyList.java:100)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
Click to show all stack frames
org.testng.TestException: 
Expected exception of type class java.util.NoSuchElementException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.last(TestCase.java:113)
	at Test_1_emptyList.testLast(Test_1_emptyList.java:100)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
0 Test_1_emptyList@65b3f4a4
testListIterator
Test class: Test_1_emptyList
org.testng.TestException: 
Expected exception of type class java.lang.UnsupportedOperationException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.listIterator(TestCase.java:311)
	at Test_1_emptyList.testListIterator(Test_1_emptyList.java:159)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
Click to show all stack frames
org.testng.TestException: 
Expected exception of type class java.lang.UnsupportedOperationException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.listIterator(TestCase.java:311)
	at Test_1_emptyList.testListIterator(Test_1_emptyList.java:159)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
0 Test_1_emptyList@65b3f4a4
testListIterator_invalidIndex
Test class: Test_1_emptyList
org.testng.TestException: 
Expected exception of type class java.lang.UnsupportedOperationException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.listIterator(TestCase.java:321)
	at Test_1_emptyList.testListIterator_invalidIndex(Test_1_emptyList.java:179)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
Click to show all stack frames
org.testng.TestException: 
Expected exception of type class java.lang.UnsupportedOperationException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.listIterator(TestCase.java:321)
	at Test_1_emptyList.testListIterator_invalidIndex(Test_1_emptyList.java:179)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
0 Test_1_emptyList@65b3f4a4
testListIterator_validIndex
Test class: Test_1_emptyList
org.testng.TestException: 
Expected exception of type class java.lang.UnsupportedOperationException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.listIterator(TestCase.java:321)
	at Test_1_emptyList.testListIterator_validIndex(Test_1_emptyList.java:169)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
Click to show all stack frames
org.testng.TestException: 
Expected exception of type class java.lang.UnsupportedOperationException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.listIterator(TestCase.java:321)
	at Test_1_emptyList.testListIterator_validIndex(Test_1_emptyList.java:169)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
0 Test_1_emptyList@65b3f4a4
testRemoveFirst
Test class: Test_1_emptyList
org.testng.TestException: 
Expected exception of type class java.util.NoSuchElementException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.removeFirst(TestCase.java:69)
	at Test_1_emptyList.testRemoveFirst(Test_1_emptyList.java:60)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
Click to show all stack frames
org.testng.TestException: 
Expected exception of type class java.util.NoSuchElementException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.removeFirst(TestCase.java:69)
	at Test_1_emptyList.testRemoveFirst(Test_1_emptyList.java:60)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
0 Test_1_emptyList@65b3f4a4
testRemoveLast
Test class: Test_1_emptyList
org.testng.TestException: 
Expected exception of type class java.util.NoSuchElementException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.removeLast(TestCase.java:80)
	at Test_1_emptyList.testRemoveLast(Test_1_emptyList.java:70)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
Click to show all stack frames
org.testng.TestException: 
Expected exception of type class java.util.NoSuchElementException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.removeLast(TestCase.java:80)
	at Test_1_emptyList.testRemoveLast(Test_1_emptyList.java:70)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
0 Test_1_emptyList@65b3f4a4
testRemove_invalidElement
Test class: Test_1_emptyList
org.testng.TestException: 
Expected exception of type class java.util.NoSuchElementException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.remove(TestCase.java:91)
	at Test_1_emptyList.testRemove_invalidElement(Test_1_emptyList.java:80)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
Click to show all stack frames
org.testng.TestException: 
Expected exception of type class java.util.NoSuchElementException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.remove(TestCase.java:91)
	at Test_1_emptyList.testRemove_invalidElement(Test_1_emptyList.java:80)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
0 Test_1_emptyList@65b3f4a4
testRemove_invalidIndex
Test class: Test_1_emptyList
org.testng.TestException: 
Expected exception of type class java.lang.IndexOutOfBoundsException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.remove(TestCase.java:182)
	at Test_1_emptyList.testRemove_invalidIndex(Test_1_emptyList.java:239)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
Click to show all stack frames
org.testng.TestException: 
Expected exception of type class java.lang.IndexOutOfBoundsException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.remove(TestCase.java:182)
	at Test_1_emptyList.testRemove_invalidIndex(Test_1_emptyList.java:239)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
0 Test_1_emptyList@65b3f4a4
testSet
Test class: Test_1_emptyList
org.testng.TestException: 
Expected exception of type class java.lang.IndexOutOfBoundsException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.set(TestCase.java:194)
	at Test_1_emptyList.testSet(Test_1_emptyList.java:250)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
Click to show all stack frames
org.testng.TestException: 
Expected exception of type class java.lang.IndexOutOfBoundsException but got java.lang.NullPointerException
	at org.testng.internal.ExpectedExceptionsHolder.wrongException(ExpectedExceptionsHolder.java:68)
	at org.testng.internal.TestInvoker.considerExceptions(TestInvoker.java:719)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:616)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.NullPointerException
	at TestCase.set(TestCase.java:194)
	at Test_1_emptyList.testSet(Test_1_emptyList.java:250)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	... 22 more
0 Test_1_emptyList@65b3f4a4
testSize
Test class: Test_1_emptyList
java.lang.NullPointerException
	at TestCase.size(TestCase.java:147)
	at Test_1_emptyList.testSize(Test_1_emptyList.java:130)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at TestCase.size(TestCase.java:147)
	at Test_1_emptyList.testSize(Test_1_emptyList.java:130)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_1_emptyList@65b3f4a4
testToString
Test class: Test_1_emptyList
java.lang.NullPointerException
	at TestCase.toString(TestCase.java:158)
	at Test_1_emptyList.testToString(Test_1_emptyList.java:139)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at TestCase.toString(TestCase.java:158)
	at Test_1_emptyList.testToString(Test_1_emptyList.java:139)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:584)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_1_emptyList@65b3f4a4

SKIPPED TESTS
Test method Exception Time (seconds) Instance
testAdd
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testAdd
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testAdd
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testAdd
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testAdd
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testAdd
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testAdd
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testAdd
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testAdd
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testAdd
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testAdd
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testAdd
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testAdd
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testAdd
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testAdd
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testAdd
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testAdd
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testAdd
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testAdd
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testAdd
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testAdd
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testAdd
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testAdd
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testAddAfter_invalidElement
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testAddAfter_invalidElement
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testAddAfter_invalidElement
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testAddAfter_invalidElement
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testAddAfter_invalidElement
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testAddAfter_invalidElement
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testAddAfter_invalidElement
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testAddAfter_invalidElement
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testAddAfter_invalidElement
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testAddAfter_invalidElement
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testAddAfter_invalidElement
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testAddAfter_invalidElement
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testAddAfter_invalidElement
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testAddAfter_invalidElement
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testAddAfter_invalidElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testAddAfter_invalidElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testAddAfter_invalidElement
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testAddAfter_invalidElement
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testAddAfter_invalidElement
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testAddAfter_invalidElement
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testAddAfter_invalidElement
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testAddAfter_invalidElement
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testAddAfter_invalidElement
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testAddAfter_validElement
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testAddAfter_validElement
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testAddAfter_validElement
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testAddAfter_validElement
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testAddAfter_validElement
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testAddAfter_validElement
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testAddAfter_validElement
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testAddAfter_validElement
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testAddAfter_validElement
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testAddAfter_validElement
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testAddAfter_validElement
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testAddAfter_validElement
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testAddAfter_validElement
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testAddAfter_validElement
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testAddAfter_validElement
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testAddAfter_validElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testAddAfter_validElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testAddAfter_validElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testAddAfter_validElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testAddAfter_validElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testAddAfter_validElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testAddAfter_validElement
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testAddAfter_validElement
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testAddAfter_validElement
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testAddAfter_validElement
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testAddAfter_validElement
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testAddAfter_validElement
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testAddAfter_validElement
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testAddAfter_validElement
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testAddToFront
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testAddToFront
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testAddToFront
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testAddToFront
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testAddToFront
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testAddToFront
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testAddToFront
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testAddToFront
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testAddToFront
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testAddToFront
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testAddToFront
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testAddToFront
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testAddToFront
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testAddToFront
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testAddToFront
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testAddToFront
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testAddToFront
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testAddToFront
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testAddToFront
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testAddToFront
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testAddToFront
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testAddToFront
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testAddToFront
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testAddToRear
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testAddToRear
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testAddToRear
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testAddToRear
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testAddToRear
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testAddToRear
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testAddToRear
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testAddToRear
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testAddToRear
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testAddToRear
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testAddToRear
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testAddToRear
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testAddToRear
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testAddToRear
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testAddToRear
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testAddToRear
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testAddToRear
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testAddToRear
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testAddToRear
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testAddToRear
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testAddToRear
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testAddToRear
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testAddToRear
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testAdd_invalidIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testAdd_invalidIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testAdd_invalidIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testAdd_invalidIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testAdd_invalidIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testAdd_invalidIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testAdd_invalidIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testAdd_invalidIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testAdd_invalidIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testAdd_invalidIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testAdd_invalidIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testAdd_invalidIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testAdd_invalidIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testAdd_invalidIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testAdd_invalidIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testAdd_invalidIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testAdd_invalidIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testAdd_invalidIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testAdd_invalidIndex
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testAdd_invalidIndex
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testAdd_invalidIndex
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testAdd_invalidIndex
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testAdd_invalidIndex
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testAdd_invalidIndex
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testAdd_invalidIndex
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testAdd_invalidIndex
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testAdd_invalidIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testAdd_invalidIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testAdd_invalidIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testAdd_invalidIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testAdd_invalidIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testAdd_invalidIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testAdd_invalidIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testAdd_invalidIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testAdd_invalidIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testAdd_invalidIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testAdd_invalidIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testAdd_invalidIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testAdd_invalidIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testAdd_invalidIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testAdd_invalidIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testAdd_invalidIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testAdd_invalidIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testAdd_invalidIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testAdd_invalidIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testAdd_invalidIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testAdd_validIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testAdd_validIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testAdd_validIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testAdd_validIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testAdd_validIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testAdd_validIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testAdd_validIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testAdd_validIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testAdd_validIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testAdd_validIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testAdd_validIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testAdd_validIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testAdd_validIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testAdd_validIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testAdd_validIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testAdd_validIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testAdd_validIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testAdd_validIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testAdd_validIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testAdd_validIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testAdd_validIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testAdd_validIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testAdd_validIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testAdd_validIndex
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testAdd_validIndex
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testAdd_validIndex
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testAdd_validIndex
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testAdd_validIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testAdd_validIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testAdd_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testAdd_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testAdd_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testAdd_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testAdd_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testAdd_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testAdd_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testAdd_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testAdd_validIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testAdd_validIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testAdd_validIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testAdd_validIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testAdd_validIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testAdd_validIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testAdd_validIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testAdd_validIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testAdd_validIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testAdd_validIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testAdd_validIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testAdd_validIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testAdd_validIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testAdd_validIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testAdd_validIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testContains_invalidElement
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testContains_invalidElement
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testContains_invalidElement
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testContains_invalidElement
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testContains_invalidElement
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testContains_invalidElement
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testContains_invalidElement
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testContains_invalidElement
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testContains_invalidElement
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testContains_invalidElement
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testContains_invalidElement
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testContains_invalidElement
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testContains_invalidElement
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testContains_invalidElement
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testContains_invalidElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testContains_invalidElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testContains_invalidElement
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testContains_invalidElement
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testContains_invalidElement
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testContains_invalidElement
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testContains_invalidElement
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testContains_invalidElement
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testContains_invalidElement
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testContains_validElement
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testContains_validElement
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testContains_validElement
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testContains_validElement
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testContains_validElement
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testContains_validElement
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testContains_validElement
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testContains_validElement
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testContains_validElement
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testContains_validElement
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testContains_validElement
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testContains_validElement
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testContains_validElement
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testContains_validElement
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testContains_validElement
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testContains_validElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testContains_validElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testContains_validElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testContains_validElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testContains_validElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testContains_validElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testContains_validElement
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testContains_validElement
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testContains_validElement
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testContains_validElement
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testContains_validElement
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testContains_validElement
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testContains_validElement
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testContains_validElement
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testFirst
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testFirst
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testFirst
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testFirst
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testFirst
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testFirst
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testFirst
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testFirst
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testFirst
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testFirst
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testFirst
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testFirst
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testFirst
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testFirst
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testFirst
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testFirst
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testFirst
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testFirst
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testFirst
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testFirst
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testFirst
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testFirst
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testFirst
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testGet
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testGet
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testGet
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testGet
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testGet_invalidIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testGet_invalidIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testGet_invalidIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testGet_invalidIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testGet_invalidIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testGet_invalidIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testGet_invalidIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testGet_invalidIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testGet_invalidIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testGet_invalidIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testGet_invalidIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testGet_invalidIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testGet_invalidIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testGet_invalidIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testGet_invalidIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testGet_invalidIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testGet_invalidIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testGet_invalidIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testGet_invalidIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testGet_invalidIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testGet_invalidIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testGet_invalidIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testGet_invalidIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testGet_invalidIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testGet_invalidIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testGet_invalidIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testGet_invalidIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testGet_invalidIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testGet_invalidIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testGet_invalidIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testGet_invalidIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testGet_invalidIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testGet_invalidIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testGet_invalidIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testGet_invalidIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testGet_invalidIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testGet_invalidIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testGet_invalidIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testGet_validIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testGet_validIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testGet_validIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testGet_validIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testGet_validIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testGet_validIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testGet_validIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testGet_validIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testGet_validIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testGet_validIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testGet_validIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testGet_validIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testGet_validIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testGet_validIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testGet_validIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testGet_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testGet_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testGet_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testGet_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testGet_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testGet_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testGet_validIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testGet_validIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testGet_validIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testGet_validIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testGet_validIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testGet_validIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testGet_validIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testGet_validIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testIndexOf
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testIndexOf
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testIndexOf
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testIndexOf
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testIndexOf
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testIndexOf
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testIndexOf
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testIndexOf
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testIndexOf
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testIndexOf
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testIndexOf
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testIndexOf_invalidElement
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testIndexOf_invalidElement
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testIndexOf_invalidElement
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testIndexOf_invalidElement
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testIndexOf_invalidElement
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testIndexOf_invalidElement
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testIndexOf_invalidElement
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testIndexOf_invalidElement
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testIndexOf_invalidElement
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testIndexOf_invalidElement
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testIndexOf_invalidElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testIndexOf_invalidElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testIndexOf_invalidElement
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testIndexOf_invalidElement
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testIndexOf_invalidElement
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testIndexOf_invalidElement
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testIndexOf_invalidElement
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testIndexOf_invalidElement
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testIndexOf_validElement
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testIndexOf_validElement
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testIndexOf_validElement
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testIndexOf_validElement
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testIndexOf_validElement
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testIndexOf_validElement
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testIndexOf_validElement
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testIndexOf_validElement
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testIndexOf_validElement
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testIndexOf_validElement
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testIndexOf_validElement
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testIndexOf_validElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testIndexOf_validElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testIndexOf_validElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testIndexOf_validElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testIndexOf_validElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testIndexOf_validElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testIndexOf_validElement
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testIndexOf_validElement
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testIndexOf_validElement
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testIndexOf_validElement
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testIndexOf_validElement
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testIndexOf_validElement
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testIsEmpty
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testIsEmpty
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testIsEmpty
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testIsEmpty
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testIsEmpty
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testIsEmpty
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testIsEmpty
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testIsEmpty
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testIsEmpty
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testIsEmpty
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testIsEmpty
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testIsEmpty
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testIsEmpty
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testIsEmpty
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testIsEmpty
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testIsEmpty
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testIsEmpty
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testIsEmpty
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testIsEmpty
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testIsEmpty
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testIsEmpty
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testIsEmpty
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testIsEmpty
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testIterator
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testIterator
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testIterator
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testIterator
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testIterator
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testIterator
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testIterator
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testIterator
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testIterator
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testIterator
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testIterator
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testIterator
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testIterator
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testIterator
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testIterator
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testIterator
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testIterator
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testIterator
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testIterator
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testIterator
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testIterator
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testIterator
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testIterator
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testLast
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testLast
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testLast
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testLast
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testLast
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testLast
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testLast
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testLast
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testLast
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testLast
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testLast
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testLast
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testLast
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testLast
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testLast
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testLast
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testLast
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testLast
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testLast
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testLast
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testLast
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testLast
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testLast
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testListIterator
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testListIterator
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testListIterator
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testListIterator
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testListIterator
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testListIterator
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testListIterator
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testListIterator
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testListIterator
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testListIterator
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testListIterator
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testListIterator
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testListIterator
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testListIterator
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testListIterator
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testListIterator
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testListIterator
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testListIterator
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testListIterator
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testListIterator
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testListIterator
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testListIterator
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testListIterator
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testListIterator_invalidIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testListIterator_invalidIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testListIterator_invalidIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testListIterator_invalidIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testListIterator_invalidIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testListIterator_invalidIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testListIterator_invalidIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testListIterator_invalidIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testListIterator_invalidIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testListIterator_invalidIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testListIterator_invalidIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testListIterator_invalidIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testListIterator_invalidIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testListIterator_invalidIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testListIterator_invalidIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testListIterator_invalidIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testListIterator_invalidIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testListIterator_invalidIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testListIterator_invalidIndex
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testListIterator_invalidIndex
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testListIterator_invalidIndex
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testListIterator_invalidIndex
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testListIterator_invalidIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testListIterator_invalidIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testListIterator_invalidIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testListIterator_invalidIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testListIterator_invalidIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testListIterator_invalidIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testListIterator_invalidIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testListIterator_invalidIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testListIterator_invalidIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testListIterator_invalidIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testListIterator_invalidIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testListIterator_invalidIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testListIterator_invalidIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testListIterator_invalidIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testListIterator_invalidIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testListIterator_invalidIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testListIterator_invalidIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testListIterator_invalidIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testListIterator_invalidIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testListIterator_invalidIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testListIterator_validIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testListIterator_validIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testListIterator_validIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testListIterator_validIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testListIterator_validIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testListIterator_validIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testListIterator_validIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testListIterator_validIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testListIterator_validIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testListIterator_validIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testListIterator_validIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testListIterator_validIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testListIterator_validIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testListIterator_validIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testListIterator_validIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testListIterator_validIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testListIterator_validIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testListIterator_validIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testListIterator_validIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testListIterator_validIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testListIterator_validIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testListIterator_validIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testListIterator_validIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testListIterator_validIndex
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testListIterator_validIndex
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testListIterator_validIndex
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testListIterator_validIndex
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testListIterator_validIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testListIterator_validIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testListIterator_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testListIterator_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testListIterator_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testListIterator_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testListIterator_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testListIterator_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testListIterator_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testListIterator_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testListIterator_validIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testListIterator_validIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testListIterator_validIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testListIterator_validIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testListIterator_validIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testListIterator_validIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testListIterator_validIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testListIterator_validIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testListIterator_validIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testListIterator_validIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testListIterator_validIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testListIterator_validIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testListIterator_validIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testListIterator_validIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testListIterator_validIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testRemoveFirst
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testRemoveFirst
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testRemoveFirst
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testRemoveFirst
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testRemoveFirst
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testRemoveFirst
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testRemoveFirst
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testRemoveFirst
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testRemoveFirst
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testRemoveFirst
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testRemoveFirst
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testRemoveFirst
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testRemoveFirst
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testRemoveFirst
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testRemoveFirst
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testRemoveFirst
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testRemoveFirst
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testRemoveFirst
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testRemoveFirst
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testRemoveFirst
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testRemoveFirst
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testRemoveFirst
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testRemoveFirst
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testRemoveLast
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testRemoveLast
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testRemoveLast
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testRemoveLast
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testRemoveLast
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testRemoveLast
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testRemoveLast
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testRemoveLast
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testRemoveLast
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testRemoveLast
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testRemoveLast
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testRemoveLast
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testRemoveLast
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testRemoveLast
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testRemoveLast
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testRemoveLast
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testRemoveLast
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testRemoveLast
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testRemoveLast
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testRemoveLast
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testRemoveLast
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testRemoveLast
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testRemoveLast
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testRemove_invalidElement
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testRemove_invalidElement
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testRemove_invalidElement
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testRemove_invalidElement
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testRemove_invalidElement
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testRemove_invalidElement
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testRemove_invalidElement
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testRemove_invalidElement
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testRemove_invalidElement
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testRemove_invalidElement
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testRemove_invalidElement
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testRemove_invalidElement
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testRemove_invalidElement
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testRemove_invalidElement
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testRemove_invalidElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testRemove_invalidElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testRemove_invalidElement
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testRemove_invalidElement
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testRemove_invalidElement
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testRemove_invalidElement
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testRemove_invalidElement
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testRemove_invalidElement
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testRemove_invalidElement
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testRemove_invalidIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testRemove_invalidIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testRemove_invalidIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testRemove_invalidIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testRemove_invalidIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testRemove_invalidIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testRemove_invalidIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testRemove_invalidIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testRemove_invalidIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testRemove_invalidIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testRemove_invalidIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testRemove_invalidIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testRemove_invalidIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testRemove_invalidIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testRemove_invalidIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testRemove_invalidIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testRemove_invalidIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testRemove_invalidIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testRemove_invalidIndex
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testRemove_invalidIndex
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testRemove_invalidIndex
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testRemove_invalidIndex
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testRemove_invalidIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testRemove_invalidIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testRemove_invalidIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testRemove_invalidIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testRemove_invalidIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testRemove_invalidIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testRemove_invalidIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testRemove_invalidIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testRemove_invalidIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testRemove_invalidIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testRemove_invalidIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testRemove_invalidIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testRemove_invalidIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testRemove_invalidIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testRemove_invalidIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testRemove_invalidIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testRemove_invalidIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testRemove_invalidIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testRemove_invalidIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testRemove_invalidIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testRemove_validElement
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testRemove_validElement
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testRemove_validElement
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testRemove_validElement
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testRemove_validElement
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testRemove_validElement
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testRemove_validElement
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testRemove_validElement
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testRemove_validElement
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testRemove_validElement
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testRemove_validElement
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testRemove_validElement
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testRemove_validElement
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testRemove_validElement
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testRemove_validElement
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testRemove_validElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testRemove_validElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testRemove_validElement
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testRemove_validElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testRemove_validElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testRemove_validElement
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testRemove_validElement
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testRemove_validElement
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testRemove_validElement
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testRemove_validElement
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testRemove_validElement
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testRemove_validElement
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testRemove_validElement
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testRemove_validElement
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testRemove_validIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testRemove_validIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testRemove_validIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testRemove_validIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testRemove_validIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testRemove_validIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testRemove_validIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testRemove_validIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testRemove_validIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testRemove_validIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testRemove_validIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testRemove_validIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testRemove_validIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testRemove_validIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testRemove_validIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testRemove_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testRemove_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testRemove_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testRemove_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testRemove_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testRemove_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testRemove_validIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testRemove_validIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testRemove_validIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testRemove_validIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testRemove_validIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testRemove_validIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testRemove_validIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testRemove_validIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testSet
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testSet
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testSet
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testSet
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testSet_invalidIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testSet_invalidIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testSet_invalidIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testSet_invalidIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testSet_invalidIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testSet_invalidIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testSet_invalidIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testSet_invalidIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testSet_invalidIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testSet_invalidIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testSet_invalidIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testSet_invalidIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testSet_invalidIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testSet_invalidIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testSet_invalidIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testSet_invalidIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testSet_invalidIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testSet_invalidIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testSet_invalidIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testSet_invalidIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testSet_invalidIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testSet_invalidIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testSet_invalidIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testSet_invalidIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testSet_invalidIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testSet_invalidIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testSet_invalidIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testSet_invalidIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testSet_invalidIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testSet_invalidIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testSet_invalidIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testSet_invalidIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testSet_invalidIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testSet_invalidIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testSet_invalidIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testSet_invalidIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testSet_invalidIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testSet_invalidIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testSet_validIndex
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testSet_validIndex
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testSet_validIndex
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testSet_validIndex
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testSet_validIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testSet_validIndex
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testSet_validIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testSet_validIndex
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testSet_validIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testSet_validIndex
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testSet_validIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testSet_validIndex
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testSet_validIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testSet_validIndex
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testSet_validIndex
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testSet_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testSet_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testSet_validIndex
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testSet_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testSet_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testSet_validIndex
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testSet_validIndex
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testSet_validIndex
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testSet_validIndex
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testSet_validIndex
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testSet_validIndex
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testSet_validIndex
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testSet_validIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testSet_validIndex
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testSize
Test class: Test_2_addToFrontA_A
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_2_addToFrontA_A.initialize(Test_2_addToFrontA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_2_addToFrontA_A@f2ff811
testSize
Test class: Test_3_addToRearA_A
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_3_addToRearA_A.initialize(Test_3_addToRearA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_3_addToRearA_A@568ff82
testSize
Test class: Test_4_addA_A
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_4_addA_A.initialize(Test_4_addA_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_4_addA_A@50caa560
testSize
Test class: Test_5_add0A_A
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_5_add0A_A.initialize(Test_5_add0A_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_5_add0A_A@2a266d09
testSize
Test class: Test_6_A_addToFrontB_BA
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_6_A_addToFrontB_BA.initialize(Test_6_A_addToFrontB_BA.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_6_A_addToFrontB_BA@5ab9e72c
testSize
Test class: Test_7_A_addToRearB_AB
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_7_A_addToRearB_AB.initialize(Test_7_A_addToRearB_AB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_7_A_addToRearB_AB@186f8716
testSize
Test class: Test_8_A_addAfterBA_AB
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_8_A_addAfterBA_AB.initialize(Test_8_A_addAfterBA_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_8_A_addAfterBA_AB@1d8bd0de
testSize
Test class: Test_9_A_addB_AB
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_9_A_addB_AB.initialize(Test_9_A_addB_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_9_A_addB_AB@45ca843
testSize
Test class: Test_11_A_add1B_AB
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_11_A_add1B_AB.initialize(Test_11_A_add1B_AB.java:56)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_11_A_add1B_AB@11c9af63
testSize
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testSize
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testSize
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testSize
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932
testSize
Test class: Test_16_A_set0B_B
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_16_A_set0B_B.initialize(Test_16_A_set0B_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_16_A_set0B_B@28975c28
testSize
Test class: Test_17_AB_addToFrontC_CAB
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_17_AB_addToFrontC_CAB.initialize(Test_17_AB_addToFrontC_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_17_AB_addToFrontC_CAB@3943a2be
testSize
Test class: Test_22_AB_add0C_CAB
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_22_AB_add0C_CAB.initialize(Test_22_AB_add0C_CAB.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_22_AB_add0C_CAB@343570b7
testSize
Test class: Test_25_AB_removeFirst_B
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_25_AB_removeFirst_B.initialize(Test_25_AB_removeFirst_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_25_AB_removeFirst_B@157853da
testSize
Test class: Test_26_AB_removeLast_A
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_26_AB_removeLast_A.initialize(Test_26_AB_removeLast_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_26_AB_removeLast_A@71c3b41
testSize
Test class: Test_27_AB_removeA_B
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_27_AB_removeA_B.initialize(Test_27_AB_removeA_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_27_AB_removeA_B@236e3f4e
testSize
Test class: Test_28_AB_removeB_A
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_28_AB_removeB_A.initialize(Test_28_AB_removeB_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_28_AB_removeB_A@3cc1435c
testSize
Test class: Test_29_AB_remove0_B
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_29_AB_remove0_B.initialize(Test_29_AB_remove0_B.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_29_AB_remove0_B@6bf0219d
testSize
Test class: Test_30_AB_remove1_A
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_30_AB_remove1_A.initialize(Test_30_AB_remove1_A.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_30_AB_remove1_A@dd0c991
testSize
Test class: Test_39_ABC_remove1_AC
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_39_ABC_remove1_AC.initialize(Test_39_ABC_remove1_AC.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_39_ABC_remove1_AC@5f16132a
testToString
Test class: Test_12_A_removeFirst_emptyList
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_12_A_removeFirst_emptyList.initialize(Test_12_A_removeFirst_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_12_A_removeFirst_emptyList@757acd7b
testToString
Test class: Test_13_A_removeLast_emptyList
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_13_A_removeLast_emptyList.initialize(Test_13_A_removeLast_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_13_A_removeLast_emptyList@36b4fe2a
testToString
Test class: Test_14_A_removeA_emptyList
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_14_A_removeA_emptyList.initialize(Test_14_A_removeA_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_14_A_removeA_emptyList@574b560f
testToString
Test class: Test_15_A_remove0_emptyList
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Click to show all stack frames
java.lang.NullPointerException
	at Test_15_A_remove0_emptyList.initialize(Test_15_A_remove0_emptyList.java:51)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
	at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
	at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
	at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1378)
	at org.testng.TestRunner.privateRun(TestRunner.java:770)
	at org.testng.TestRunner.run(TestRunner.java:591)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
	at org.testng.SuiteRunner.run(SuiteRunner.java:304)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
	at org.testng.TestNG.runSuites(TestNG.java:1032)
	at org.testng.TestNG.run(TestNG.java:1000)
	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
0 Test_15_A_remove0_emptyList@ba54932